Elbow, Wrist, Hand

Question 1

During elbow pronation, the radial head glides ________.

Answer 1

Posteriorly (pronation posterior)

Question 2

Falling backward onto the palm of an extended arm results in the radial head moving ________.

Answer 2

Anteriorly (the distal radius would move posteriorly in this case)

Question 3

During elbow flexion, the radial head glides ________ on the capitulum.

Answer 3

Anteriorly

Question 4

The anatomical snuffbox is formed by the ________ medially, and the ________ and ________ laterally.

Answer 4

Extensor pollicis longus, extensor pollicis brevis, abductor pollicis longus

Question 5

A positive grind test at the carpometacarpal joint of the thumb indicates ________.

Answer 5

Osteoarthritis

Question 6

Falling forward onto the palm of an outstretched hand results in the distal radius moving more ________.

Answer 6

Anterior (this would result in the radial head moving posterior as well)

Question 7

A positive ________’s test is a sign of DeQuervain’s Tenosynovitis.

Answer 7

Finklestein

Question 8

Kienbock’s disease is osteonecrosis of the ________.

Answer 8

Lunate

Question 9

The most common cause of lateral elbow pain is ________. This can be due to an inappropriate backhand swing in tennis or repetitive motions.

Answer 9

Lateral epicondylitis

Question 10

Supination and pronation occur at the ________ with a total range of approximately ________ degrees.

Answer 10

Radioulnar, 180

Question 11

During elbow supination, the radial head glides ________.

Answer 11

Anteriorly

Question 12

DeQuervain’s Tenosynovitis is inflammation of the tendons and sheaths of the ________ and ________ muscles.

Answer 12

Extensor pollicis brevis, abductor pollicis longus

Question 13

Tenderness in the anatomical snuffbox after a fall on an outstretched hand indicates a ________ fracture.

Answer 13

Scaphoid

Question 14

If the distal radius is anterior, that means that the radial head has to be ________.

Answer 14

Posterior (think of it like a seesaw, only one side can be anterior or posterior at a time)

Question 15

The wrist can move approximately ________ degrees in flexion and extension, ________ degrees in pronation and supination, ________ degrees in ulnar deviation, and ________ degrees in radial deviation.

Answer 15

60-80, 80-90, 30, 20

Question 16

During elbow extension, the radial head glides ________ on the capitulum.

Answer 16

Posteriorly

Question 17

A baseball pitcher or golfer can develop ________ elbow pain due to strain on this side of the elbow.

Answer 17

Medial

Question 18

Flexion and extension occurs at the ________ joint. Flexion has approximately ________ degrees of motion and extension has approximately ________ degrees of motion.

Answer 18

Ulnohumeral, 145-150, 5-10

Question 19

A scaphoid fracture may not appear on an X-ray until ________ weeks later. It is important to catch because a fracture there can lead to ________.

Answer 19

1-2, avascular necrosis

Question 20

When the radial head is stuck in the posterior position, the ability to ________ (motion) is restricted.

Answer 20

Supinate